| Manufacturer |
John Deere |
| Price |
3,650(USD) |
| Model |
R |
| Equipment Type |
Standard-Tread Tractors |
| Factory |
Waterloo, Iowa, USA |
ENGINE DETAIL
The John Deere R tractor features a robust 2-cylinder liquid-cooled diesel engine with a displacement of 6.8L and a high compression ratio of 16:1, enhancing efficiency and torque for demanding agricultural tasks. Its oil bath air cleaner provides superior filtration, which is crucial for maintaining engine longevity, especially in dusty conditions. However, the 1000 RPM rated speed may limit its use in high-speed applications, making it more suited for low-end power scenarios typical of farm operations.
| Description |
John Deere diesel 2-cylinder liquid-cooled |
| Displacement |
415.5ci / 6.8L |
| Bore/Stroke |
5.75x8.00inches / 146x 203mm |
| Air cleaner |
oil bath |
| Compression |
16:1 |
| Rated RPM |
1000 |
| Firing order |
1-2 |
| Starter type |
2-cylinder pony motor |
JOHN DEERE R ENGINE
The John Deere R tractor features a robust 6.8L 2-cylinder diesel engine, offering efficiency and reliable performance for agricultural applications. The 22-gallon fuel tank ensures extended operational capacity, while the auxiliary fuel tank provides flexibility for transient fuel needs, enhancing overall uptime. However, the relatively small auxiliary fuel capacity might necessitate careful planning during extended use in remote areas.
| Description |
John Deere 6.8L 2-cyl diesel |
| Fuel tank |
22gal / 83.3L |
| Aux. fuel |
1gal / 3.8L |
TRANSMISSION
The John Deere R tractor features a 5-speed forward and 1-speed reverse gear configuration, requiring the operator to halt the tractor and engage the dry disc clutch for gear shifting, which may prolong operational time during tasks that require frequent gear changes. With an oil capacity of 9.5 quarts (9.0 liters), maintenance schedules should prioritize oil checks to ensure optimal lubrication and component longevity. This design is beneficial for applications demanding controlled power delivery but may present challenges in situations needing quick gear transitions.
| Type |
gear |
| Gears |
5 forward and 1 reverse |
| Clutch |
dry disc |
| Oil capacity |
9.5qts / 9.0L |
| Description |
The tractor must be stopped and clutch used to shift gears |
JOHN DEERE R TRANSMISSION
The John Deere R tractor's 5-speed gear transmission allows for versatile speed adjustments, enhancing operational efficiency in various agricultural tasks. However, managing the gear lever can be challenging for operators inexperienced with manual transmissions, potentially affecting productivity during initial usage. In scenarios requiring rapid speed changes, the 5-speed system offers an advantage over single-speed models, particularly in diverse field conditions.
MECHANICAL
The John Deere R tractor features a two-wheel drive system and mechanical drum brakes, which provide decent control on flat terrain but may be less effective on slippery or hilly surfaces. Its open operator station enhances visibility and comfort during operation, yet may expose the operator to weather conditions. Manual steering requires more effort compared to power-assisted systems, making it less suitable for prolonged tasks in tight spaces or for operators seeking ease of use.
| Description |
Two-wheel drive Mechanical drum brakes Open operator station |
| Steering |
manual |
POWER TAKE-OFF (PTO)
| Rear PTO |
live |
| Rear RPM |
540 |
JOHN DEERE R TIRES
The John Deere R tractor features agricultural front tires measuring 30x6 inches and rear tires at 54x12 inches, providing a balance of load capacity and traction for field operations. Advantages include enhanced stability on various terrains and the ability to support heavy implement loads. However, challenges may arise in navigating tighter spaces due to the larger rear tire size; ideal for extensive open-field work rather than confined areas.
| Ag front |
30x6 steel |
| Ag rear |
54x12 steel |
DIMENSIONS & TIRES
The John Deere R tractor features a 85.5-inch wheelbase, providing a stable platform for various agricultural tasks, particularly in row-crop applications. Weighing between 7400 to 7603 pounds enhances traction and ground stability, though this added weight may require consideration for soil compaction in sensitive areas. The tire specifications—7.50-18 in the front and 14-34 in the rear—indicate a configuration ideal for maneuverability and improved load-bearing capacity, beneficial for heavy-duty operations.
| Wheelbase |
85.5inches / 217cm |
| Weight |
7400 to 7603 pounds |
| Front tire |
7.50-18 |
| Rear tire |
14-34 |
R SERIAL NUMBERS
| 1949 |
1000 |
| 1954 |
19485 |
| Final |
22293 |
R SERIAL LOCATION
| Description |
Right side of tractor above belt pulley |
ELECTRICAL
| Ground |
positive |
| Battery volts |
6 |
